dnl Process this file with autoconf to produce a configure script.
AC_INIT
AC_PREREQ(2.54)

AC_CONFIG_SRCDIR([authmysql.c])
AC_CONFIG_HEADER(config.h)

dnl Checks for programs.
AC_PROG_CC

dnl Checks for libraries.

dnl Checks for header files.
AC_CHECK_HEADERS(unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_STRUCT_TM

dnl Checks for library functions.
AC_HEADER_STDC

dnl Check functions
AC_CHECK_FUNCS(memmove)

default_directory="/usr /usr/local"

AC_DEFUN(FAIL_MESSAGE,[
   echo
   echo
   echo "**********************************************"
   echo "  ERROR: unable to find" $1
   echo "  checked in the following places"
   for i in `echo $2`; do
     echo "        $i"
   done
   echo "**********************************************"
   echo
   exit
])

AC_ARG_WITH(authmysql, 
    AC_HELP_STRING([--with-authmysql=DIR],[Create MySQL authentication module, optionally specify dir of mysql files]),
    [ with_mysql="$withval" ],
    [ with_mysql=no ])

if test "$with_mysql" != "no"; then
  if test "$with_mysql" = "yes"; then
    mysql_directory="$default_directory"; 
    mysql_fail="yes"
  elif test -d $withval; then
    mysql_directory="$withval"
    mysql_fail="no"
  elif test "$with_mysql" = ""; then
    mysql_directory="$default_directory"; 
    mysql_fail="no"
  fi

  AC_MSG_CHECKING(for mysql)

  for i in $mysql_directory; do
    if test -r $i/include/mysql/mysql.h; then
      MYSQL_DIR=$i
      MYSQL_INC_DIR=$i/include/mysql
    elif test -r $i/include/mysql.h; then
      MYSQL_DIR=$i
      MYSQL_INC_DIR=$i/include
    fi
  done

  if test -z "$MYSQL_DIR"; then
    if test "$mysql_fail" != "no"; then
      tmp=""
      for i in $mysql_directory; do
        tmp="$tmp $i/include $i/include/mysql" 
      done
      FAIL_MESSAGE("mysql headers (mysql.h)", $tmp)
    else
      AC_MSG_RESULT(no)
    fi
  else

    for i in lib lib/mysql; do
      str="$MYSQL_DIR/$i/libmysqlclient.*"
      for j in `echo $str`; do
        if test -r $j; then
          MYSQL_LIB_DIR="$MYSQL_DIR/$i"
          break 2
        fi
      done
    done

    if test -z "$MYSQL_LIB_DIR"; then
      if test "$mysql_fail" != "no"; then
        FAIL_MESSAGE("mysqlclient library", 
                     "$MYSQL_DIR/lib $MYSQL_DIR/lib/mysql")
      else
        AC_MSG_RESULT(no)
      fi
    else
      AC_MSG_RESULT(yes)
	   	CFLAGS="$CFLAGS -I${MYSQL_INC_DIR}"
		LDFLAGS="${LDFLAGS} -L${MYSQL_LIB_DIR}"
dnl      CPPFLAGS="${CPPFLAGS} -I${MYSQL_INC_DIR} -DENABLE_MYSQL"
	    LIBS="-lmysqlclient ${LIBS}"
    fi
  fi
fi

dnl 	CFLAGS="$CFLAGS -I$mysqltop/include"
dnl 	LIBS="$LIBS $mysqltop/lib/libmysqlclient.a"


dnl AC_ARG_WITH(mysqlpath,
dnl 	AC_HELP_STRING([--with-mysqlpath], [specify the top level of the mysql installation tree.  (default is /usr/local/mysql)]), 
dnl 	mysqltop=$withval, mysqltop=/usr/local/mysql
dnl ) 

dnl AC_MSG_CHECKING([for mysql in directory $mysqltop])

dnl if test "X$mysqltop" = "X"
dnl then
dnl 	AC_MSG_RESULT([no])
dnl 	AC_MSG_ERROR([msql directory not specified])
dnl fi

dnl if test -d $mysqltop
dnl then
dnl 	AC_MSG_RESULT([yes])
dnl 	CFLAGS="$CFLAGS -I$mysqltop/include"
dnl 	LIBS="$LIBS $mysqltop/lib/libmysqlclient.a"
dnl else
dnl 	AC_MSG_RESULT([no])
dnl 	AC_MSG_ERROR([mysql directory not found!])
dnl fi

AC_CONFIG_FILES([Makefile])
AC_OUTPUT